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一个酒吧废物

graph LR
    classDef className fill:white,stroke:#333,stroke-width:1px;
    id2[寄存器A]-->id3[寄存器B]
    subgraph one step
    id[内存]-->id1[缓存]
    id1[缓存]-->id2[寄存器A]
    end
    subgraph two step
    id3[寄存器B]-->id4[缓存]  
    id4[缓存]-->id5[内存]
    end
    class id,id1,id2,id3,id4,id5 className;

do	bird	cat
foo	foo	foo
bar	bar	bar
baz	baz	bazst=>start: 开始 e=>end: 结束 op=>operation: 我的操作 cond=>condition: 判断确认？ st->op->cond cond(yes)->e cond(no)->op{"scale":1,"line-width":2,"line-length":50,"text-margin":10,"font-size":12}